CN203382864U - Multi-electric field coupling strong drawing electrostatic spinning device - Google Patents
Multi-electric field coupling strong drawing electrostatic spinning device Download PDFInfo
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- CN203382864U CN203382864U CN201320233853.0U CN201320233853U CN203382864U CN 203382864 U CN203382864 U CN 203382864U CN 201320233853 U CN201320233853 U CN 201320233853U CN 203382864 U CN203382864 U CN 203382864U
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Abstract
The utility model discloses a multi-electric field coupling strong drawing electrostatic spinning device and belongs to the field of electrostatic spinning. The multi-electric field coupling strong drawing electrostatic spinning device mainly comprises a spinning sprayer, an electrode plate I, an electrode plate II, a high voltage electrostatic generator I, a high voltage electrostatic generator II, a fiber receiving plate and a ground electrode, wherein the spinning sprayer is connected with the ground electrode; the electrode plate is mounted below the spinning sprayer; the electrode plate is connected with the electrostatic generators; the fiber receiving plate is located above or below the electrode plate II. According to the device, the electrode plates with holes in the middles are adopted, and a plurality of electrode plates are arranged below the spinning sprayer, so that a multi-level electric field is generated, the multi-electric field coupling strong drawing of fibers is realized, and the spun fibers are thinner; the diameters of the fibers can be slightly regulated and controlled by adjusting the distance among the electrode plates and the magnitude of applied voltages; the device is simple and feasible and is suitable for laboratory investigation and industrialization application.
Description
Technical field
The utility model relates to the electrostatic spinning apparatus of the powerful drawing-off of a kind of many field coupling, belongs to the electrostatic spinning field.
Background technology
The principle of electrostatic spinning, by apply high voltage between shower nozzle and receiving system, make to form electric field between the two exactly, and polarized melt or solution overcome surface tension under the electric field force effect, forms jet, is ejected on dash receiver, forms ultra-fine fiber.
In recent years, the research and development of nanometer technology, make the electrostatic spinning technique that can prepare nano-fiber material also receive more concern, and one after another it developed to research, and electrostatic spinning technique has become and prepares the most effective, the most important method of nanofiber.But in current electrostatic spinning, be nearly all to adopt the massive plate electrode of single-stage as collecting electrode, it only has the one-level electric field, limited to the drawing-off effect of spun silk, and spun fineness that can reach of institute is limited.
The people such as the Yao Yongyi of Sichuan University have mentioned a kind of air-flow-electrostatic spinning machine in document " method of electrostatic spinning and air-flow-method of electrostatic spinning prepare the polysulfones nanofiber ", by the air-channel system of single spraying pin shower nozzle outer wrapping common, the correlation stream of making a concerted effort with the frictional force between electrostatic force and air-flow and polymer jet is stretched, and makes spun fibrous refinement.The method is used the auxiliary electrostatic spinning of air-flow, can make spun fibrous refinement, but this nozzle structure complexity is unfavorable for commercial application, and also needs additionally to increase a set of feeder, and cost increase and energy consumption are large.
The people such as the summertime great waves of Beijing University of Chemical Technology mention the application dissaving polymer polypropylene are carried out to modification in document " application of dissaving polymer in melt electrostatic spinning ", to reduce the viscosity of melt polypropylene, make spun fiber thinner.
Up to the present, also do not have a kind of simple pure physical method to realize the refinement of electrospun fibers.
The unstability of solution jet that Deitzel etc. are artificial arranges a plurality of charged rings and comes the whip of about bundle fiber moving between spinning head and collector, and to control the deposition path of fiber, but he does not have research and utilization, many electric fields carry out refinement to fiber.
The utility model content
The utility model proposes the electrostatic spinning apparatus of the powerful drawing-off of a kind of many field coupling, by the electrode that multistage middle with hole is set under spinning nozzle, realize, thereby form multistage electric field under spinning nozzle, in the fiber dropping process, the repeatedly drawing-off of realization to fiber, make spun fiber thinner.This device and method is simple, is applicable to laboratory research and commercial application.
The electrostatic spinning apparatus of the powerful drawing-off of a kind of many field coupling of the utility model, it mainly comprises spinning nozzle, battery lead plate one, battery lead plate two, HV generator one, HV generator two, fiber dash receiver, earth electrode, wherein, battery lead plate one is the battery lead plate of middle with hole, battery lead plate two can be the battery lead plate of middle with hole, battery lead plate not with holes in the middle of can being also, battery lead plate one and battery lead plate two can be circular, square, triangle or polygon arbitrarily; Spinning nozzle is connected with earth electrode, battery lead plate one be arranged on spinning nozzle under a distance, battery lead plate one is connected with the high-voltage positive electrode terminal of HV generator one, battery lead plate two be arranged on battery lead plate one under a distance, battery lead plate two is connected with the high-voltage positive electrode terminal of HV generator two, and the fiber dash receiver is placed on the top of battery lead plate two.
During spinning work, treat that spinning nozzle is ready, open successively HV generator one and HV generator two, make one of spinning nozzle and battery lead plate form first order electric field, two of battery lead plate one and battery lead plates form second level electric field, under the effect of electric field force, spinning nozzle starts spinning, silk is subject to a drawing-off effect in first order electric field, by the circular hole on battery lead plate one, enter second level electric field afterwards, be subject to the effect of drawing-off again of second level electric field, silk further attenuates, and filum terminale drops on the fiber dash receiver received.
The electrostatic spinning apparatus of the powerful drawing-off of a kind of many field coupling of the utility model, its battery lead plate one is the battery lead plate of middle with hole, its shape can be circular, square, triangle or polygon arbitrarily.
The electrostatic spinning apparatus of the powerful drawing-off of a kind of many field coupling of the utility model, its battery lead plate two can be the battery lead plate of middle with hole, can be also in the middle of massive plate not with holes, its shape can be circular, square, triangle or polygon arbitrarily.
Electrospinning process and the device of the powerful drawing-off of a kind of many field coupling of the utility model, fiber can be collected above battery lead plate two, also battery lead plate two can be changed into to the battery lead plate of middle with hole, the fiber dash receiver is realized the collection of fiber below battery lead plate two, fiber can adopt massive plate to collect, also can adopt lapping machine to collect continuously, also can adopt roller to collect, to realize the orderly orientation collection to fiber, when the linear velocity of roller is greater than the falling speed of fiber, can also play further stretching action to fiber, make fiber refinement more.
The electrostatic spinning apparatus of the powerful drawing-off of a kind of many field coupling of the utility model, below spinning nozzle, it is integer and n that n(n can be set > 2) layer battery lead plate, form multistage electric field, fiber is produced to repeatedly drawing-off.
The spinning process of the electrostatic equipment of the powerful drawing-off of a kind of many field coupling of the utility model is by the battery lead plate of multilayer middle with hole is set below spinning nozzle, form multistage electric field, the spun silk of spinning nozzle is implemented to repeatedly drawing-off, with this, realize the refinement of fiber; By the control to institute's making alive size on battery lead plate spacing and battery lead plate, realize the regulation and control to fibre fineness.
From above technical scheme, the utility model compared with prior art has following advantage:
1. in the process fallen at fiber, adopt multi-electrode to carry out drawing-off to fiber, can make spun fiber thinner.By regulating the distance between battery lead plate and inner conical surface high-efficient spinning shower nozzle and battery lead plate and battery lead plate, and the voltage of HV generator, can do certain adjusting to the fineness of fiber.
2. adopt electrode with holes, realize the reception of fiber below electrode, this make fiber collection mode can the variation, to adapt to different demands.
3. this device and method is simple, is applicable to laboratory research and commercial application.
The accompanying drawing explanation
Fig. 1 is the schematic diagram of the electrostatic spinning apparatus of the powerful drawing-off of a kind of many field coupling of the utility model.
Fig. 2 is the another kind of working method schematic diagram of the electrostatic spinning apparatus of the powerful drawing-off of a kind of many field coupling of the utility model.
The 1-spinning nozzle, 2-battery lead plate one, 3-fiber dash receiver, 4-battery lead plate two, the 5-earth electrode, 6-HV generator one, 7-HV generator two, 8-battery lead plate three, 9-battery lead plate four, 10-roller receiving system, 11-HV generator three, 12-HV generator four
The specific embodiment
As shown in Figure 1, the electrostatic spinning apparatus of the powerful drawing-off of a kind of many field coupling of the utility model, mainly comprise spinning nozzle 1, battery lead plate 1, battery lead plate 24, HV generator 1, HV generator 27, fiber dash receiver 3, earth electrode 5, wherein, battery lead plate 1 is battery lead plates of middle with hole, battery lead plate 24 can be the battery lead plate of middle with hole, battery lead plate not with holes in the middle of can being also, battery lead plate 1 and battery lead plate 24 can be circular, square, triangle or polygon arbitrarily; Spinning nozzle 1 is connected with earth electrode 5, battery lead plate 1 be arranged on spinning nozzle 1 under a distance, battery lead plate 1 is connected with the high-voltage positive electrode terminal of HV generator 1, battery lead plate 24 be arranged on battery lead plate 1 under a distance, battery lead plate 24 is connected with the high-voltage positive electrode terminal of HV generator 27, and fiber dash receiver 3 is placed on the top of battery lead plate 24.
During spinning work, treat that spinning nozzle 1 is ready, open successively HV generator 1 and HV generator 27, make one 2 of spinning nozzle 1 and battery lead plates form first order electric field, 24 of battery lead plate 1 and battery lead plates form second level electric field, under the effect of electric field force, spinning nozzle 1 starts spinning, silk is subject to a drawing-off effect in first order electric field, by the circular hole on battery lead plate 1, enter second level electric field afterwards, be subject to the effect of drawing-off again of second level electric field, silk further attenuates, and filum terminale drops on fiber dash receiver 3 received.
As shown in Figure 2, this embodiment is identical with the operation principle of embodiment 1, difference is, be arranged with the triple electrode plate at spinning nozzle, battery lead plate 1, battery lead plate 38, battery lead plate 49, three electrode plate are all the battery lead plate of middle with hole, below battery lead plate 49, roller receiving system 10 are installed for receiving fiber.During spinning, spinning nozzle 1 is connected with earth electrode 5, battery lead plate 1 is connected with the high-voltage positive electrode terminal of HV generator 1, battery lead plate 38 is connected with the high-voltage positive electrode terminal of HV generator 3 11, battery lead plate 49 is connected with the high-voltage positive electrode terminal of HV generator 4 12, when spinning nozzle is ready, open successively HV generator 1, HV generator 38, HV generator 49, and open the motor of roller receiving system 10 simultaneously, under the effect of electric field force, spinning nozzle 1 spins silk, under the effect of three grades of electric fields, be subject to three drawing-off effects, successively by the hole on the triple electrode plate, finally by the roller receiving system 10 under battery lead plate 49, received.
Claims (4)
1. the electrostatic spinning apparatus of the powerful drawing-off of field coupling more than a kind, it is characterized in that: it mainly comprises spinning nozzle, battery lead plate one, battery lead plate two, HV generator one, HV generator two, fiber dash receiver, earth electrode, wherein, battery lead plate one is the battery lead plate of middle with hole, and battery lead plate two is middle battery lead plates not with holes; Spinning nozzle is connected with earth electrode, battery lead plate one be arranged on spinning nozzle under a distance, battery lead plate one is connected with the high-voltage positive electrode terminal of HV generator one, battery lead plate two be arranged on battery lead plate one under a distance, battery lead plate two is connected with the high-voltage positive electrode terminal of HV generator two, and the fiber dash receiver is placed on the top of battery lead plate two.
2. the electrostatic spinning apparatus of the powerful drawing-off of a kind of many field coupling according to claim 1, it is characterized in that: battery lead plate one is the battery lead plate of middle with hole, its shape is circular, square or triangle.
3. the electrostatic spinning apparatus of the powerful drawing-off of a kind of many field coupling according to claim 1, it is characterized in that: battery lead plate two is battery lead plates of middle with hole, its shape is circular, square or triangle.
4. the electrostatic spinning apparatus of the powerful drawing-off of a kind of many field coupling according to claim 1, it is characterized in that: below spinning nozzle, n layer battery lead plate is set, n is integer and n > 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320233853.0U CN203382864U (en) | 2013-05-03 | 2013-05-03 | Multi-electric field coupling strong drawing electrostatic spinning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320233853.0U CN203382864U (en) | 2013-05-03 | 2013-05-03 | Multi-electric field coupling strong drawing electrostatic spinning device |
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| CN203382864U true CN203382864U (en) | 2014-01-08 |
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| CN201320233853.0U Expired - Fee Related CN203382864U (en) | 2013-05-03 | 2013-05-03 | Multi-electric field coupling strong drawing electrostatic spinning device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107429428A (en) * | 2016-03-17 | 2017-12-01 | 株式会社东芝 | Nozzle head module and electrospinning device |
| CN113369108A (en) * | 2021-01-14 | 2021-09-10 | 南方科技大学 | Preparation method of electric field regulation and control sensor |
-
2013
- 2013-05-03 CN CN201320233853.0U patent/CN203382864U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107429428A (en) * | 2016-03-17 | 2017-12-01 | 株式会社东芝 | Nozzle head module and electrospinning device |
| CN113369108A (en) * | 2021-01-14 | 2021-09-10 | 南方科技大学 | Preparation method of electric field regulation and control sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20140503 |